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Date: Tue, 24 Mar 2009 05:57:50 -0700 (PDT)
From: "Bill Habermaas (JIRA)" <jira@apache.org>
To: core-dev@hadoop.apache.org
Subject: [jira] Commented: (HADOOP-5191) After creation and startup of the
 hadoop namenode on AIX or Solaris, you will only be allowed to connect to
 the namenode via hostname but not IP.
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    [ https://issues.apache.org/jira/browse/HADOOP-5191?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12688668#action_12688668 ] 

Bill Habermaas commented on HADOOP-5191:
----------------------------------------

Raghu - I haven't tried your patch as I have not had an opportunity but I assume you rewrote what I did due to the other comments on this jira.  You might want to include my unit test with your patch so this gets through Hudson. 

> After creation and startup of the hadoop namenode on AIX or Solaris, you will only be allowed to connect to the namenode via hostname but not IP.
> -------------------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: HADOOP-5191
>                 URL: https://issues.apache.org/jira/browse/HADOOP-5191
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: dfs
>    Affects Versions: 0.19.1
>         Environment: AIX 6.1 or Solaris
>            Reporter: Bill Habermaas
>            Assignee: Bill Habermaas
>            Priority: Minor
>         Attachments: 5191-1.patch, HADOOP-5191.patch, hadoop-5191.patch, TestHadoopHDFS.java
>
>
> After creation and startup of the hadoop namenode on AIX or Solaris, you will only be allowed to connect to the namenode via hostname but not IP.
> fs.default.name=hdfs://p520aix61.mydomain.com:9000
> Hostname for box is p520aix and the IP is 10.120.16.68
> If you use the following url, "hdfs://10.120.16.68", to connect to the namenode, the exception that appears below occurs. You can only connect successfully if "hdfs://p520aix61.mydomain.com:9000" is used. 
> Exception in thread "Thread-0" java.lang.IllegalArgumentException: Wrong FS: hdfs://10.120.16.68:9000/testdata, expected: hdfs://p520aix61.mydomain.com:9000
> 	at org.apache.hadoop.fs.FileSystem.checkPath(FileSystem.java:320)
> 	at org.apache.hadoop.dfs.DistributedFileSystem.checkPath(DistributedFileSystem.java:84)
> 	at org.apache.hadoop.dfs.DistributedFileSystem.getPathName(DistributedFileSystem.java:122)
> 	at org.apache.hadoop.dfs.DistributedFileSystem.getFileStatus(DistributedFileSystem.java:390)
> 	at org.apache.hadoop.fs.FileSystem.exists(FileSystem.java:667)
> 	at TestHadoopHDFS.run(TestHadoopHDFS.java:116)

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